19279996

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{569}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 34760880

約数和(自身を除く): 15480884

約数列:

[1, 2, 4, 43, 86, 172, 197, 394, 569, 788, 1138, 2276, 8471, 16942, 24467, 33884, 48934, 97868, 112093, 224186, 448372, 4819999, 9639998, 19279996]

約数ペア:

[(1, 19279996), (2, 9639998), (4, 4819999), (43, 448372), (86, 224186), (172, 112093), (197, 97868), (394, 48934), (569, 33884), (788, 24467), (1138, 16942), (2276, 8471)]